More to explore:
Makeup tips: these are the lines on the face you want to conture (make darker and lighter). By Kevin Aucoin
Haul & Review: Make Up For Ever (MUFE) Contour Powder | Cosmetic Candy - The Purrrfect Beauty Blog
Contouring Makeup Tutorial
Awareness of the planes of the face is essential...this photo demonstrates contouring and is from one of the great Kevyn Aucoin makeup books. Be very discerning who you take your beauty advice from.
The late Kevyn Aucoin's face contouring tutorial
I remember this picture from Kevyn Aucoin's first book. This book taught me how to apply makeup.